11113323312 has 160 divisors (see below), whose sum is σ = 35417733120. Its totient is φ = 2924098560.

The previous prime is 11113323229. The next prime is 11113323313. The reversal of 11113323312 is 21332331111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11113323313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2010889 + ... + 2016407.

It is an arithmetic number, because the mean of its divisors is an integer number (221360832).

Almost surely, 2^11113323312 is an apocalyptic number.

11113323312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17708866560).

11113323312 is an abundant number, since it is smaller than the sum of its proper divisors (24304409808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11113323312 is a wasteful number, since it uses less digits than its factorization.

11113323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011 (or 6005 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

Adding to 11113323312 its reverse (21332331111), we get a palindrome (32445654423).

The spelling of 11113323312 in words is "eleven billion, one hundred thirteen million, three hundred twenty-three thousand, three hundred twelve".